Hypericum densiflorum, also known as bushy St. John's wort or dense St. John's wort, is a perennial herb in the flowering plant family Hypericaceae native to North America. The specific epithet densiflorum is Latin, meaning "densely flowered", referring to the many-flowered cymes.
Bushy St. John's wort has strong resistance to disease and is generally unlikely to develop illnesses. Regarding care, this plant is relatively low maintenance. When grown outdoors it needs little watering, and larger plants typically do not need pruning, though smaller plants should be pruned after they finish blooming. Bushy St. John's wort is appropriate for anyone with outdoor space, such as a garden or a deck, and does not demand much gardening experience.
How to keep Hypericum Densiflorum.
Light
Bushy St. John's wort is native to open habitats, such as sunny meadows and the edges of forests, which offer plentiful light. It prefers Full Sun but will also tolerate Partial Sun, adapting well to various light levels.
Water
Bushy St. John's Wort thrives in well-drained soil with moderate moisture. It is drought-tolerant and typically requires watering only every three weeks. Ideally suited for temperate climates, this plant does best outdoors in areas where the rainfall aligns with its low water needs, closely resembling its native habitat.
Temperature
Bushy St. John's wort is very adaptable to a range of climates, from blistering summers to freezing winters. Nevertheless, it has an ideal temperature range for growth. When temperatures get too high, the plant is susceptible to heat and humidity stress, which can kill it. In locations where temperatures approach the lower limit of its cold tolerance, it is important to provide insulation to protect the plant.
Fertilizer
The timing of fertilizing Bushy St. John's wort is important. Apply fertilizer in early spring and continue monthly until early summer. Fertilizer encourages attractive blooms and supplies energy during both dormant periods and active growth.
Pruning
To encourage healthy growth, it's best to prune bushy St. John's wort in the spring. Cut back last year's growth by one-third, and remove any damaged stems. By thinning out crowded branches, you can improve air circulation, which reduces the risk of disease. Regular pruning not only increases flowering but also enhances the plant's vitality. For the best results, complete the pruning before new growth begins.
Botanical profile.
- Plant Type
- Shrub
- Life Cycle
- Perennial
- Genus
- Hypericum
- Family
- Hypericaceae
- Hardiness Zone
- 5-9
- Mature Height
- 0.61 m to 2.13 m
- Mature Spread
- 0.91 m to 1.83 m
- Leaf Color
- Green
- Leaf Type
- Deciduous
- Flower Color
- Yellow
- Flower Size
- 2.54 cm
- Bloom Time
- Summer
- Planting Time
- Spring, Summer, Autumn
- Harvest Time
- Fall
Other names.